1. Allen, D, M Bilz, DJ Leaman, RM Miller, A Timoshyna, J Window (2014). European Red list of medicinal plants. Luxembourg Office of the European Union. [accessed 2019 Aug 07]. https://ec.europa.eu/environment/nature/conservation/species/redlist/downloads/European_med_plants.pdf.
2. Bornand, C, A Gygax, P Juillerat, M Jutzi, A Möhl, S Rometsch, L Sager, H Santiago, S Eggenberg 2016. Rote Liste Gefässpflanzen. Gefährdete Arten der Schweiz [Red list vascular plants. Endangered species of Switzerland]. Bundesamt für Umwelt, Bern und Info Florae. [accessed 2019 Aug 07]. https://www.infoflora.ch/en/assets/content/documents/roteliste_pflanzen_d_20160908.pdf
3. Pflanzensoziologie
4. Influence of cutting regime and fertilizer application on the botanical composition, yield and nutritive value of herbage of wet grasslands in Central Europe